Józef Piłsudski's cult of personality
In the interwar period a cult of personality developed around the Polish military commander and politician Józef Piłsudski, which has continued ever since. Initially it was encouraged by propaganda which described Piłsudski as a masterful strategist and political visionary.
Source: Wikipedia — Józef Piłsudski's cult of personality (CC BY-SA 4.0)